Home / 148,813.46-205,364.25-87,573.20

Finding the Fourth Proportional to 148,813.46, 205,364.25 and 87,573.20

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Solution

The fourth proportional to 148,813.46, 205,364.25 and 87,573.20 is: 120,851.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,813.46 : 205,364.25 = 87,573.20 : x
  2. Step 2: Convert to fraction form
    148,813.46/205,364.25 = 87,573.20/x
  3. Step 3: Cross multiply
    148,813.46x = 205,364.25 × 87,573.20
  4. Step 4: Simplify right side
    148,813.46x = 17,984,403,073.41
  5. Step 5: Solve for x
    x = 17,984,403,073.41/148,813.46
  6. Step 6: Final answer
    x = 120,851.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.